25620967 has 2 divisors, whose sum is σ = 25620968. Its totient is φ = 25620966.

The previous prime is 25620953. The next prime is 25620971. The reversal of 25620967 is 76902652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25620967 - 2¹⁹ = 25096679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25620937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12810483 + 12810484.

It is an arithmetic number, because the mean of its divisors is an integer number (12810484).

Almost surely, 2^25620967 is an apocalyptic number.

25620967 is a deficient number, since it is larger than the sum of its proper divisors (1).

25620967 is an equidigital number, since it uses as much as digits as its factorization.

25620967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 25620967 is about 5061.7158158079. The cubic root of 25620967 is about 294.8029594850.

The spelling of 25620967 in words is "twenty-five million, six hundred twenty thousand, nine hundred sixty-seven".